1. Nature and Nurture;Hogben,1933
2. Some genetic aspects of congenital defect;Neel,1961
3. Schizophrenia as a genetic morphism;Huxley;Nature,1964
4. Twin studies on the significance of genetic factors in tuberculosis;Kallmann;Am. Rev. Tuberc.,1943
5. A twin-family study of susceptibility to poliomyelitis;Herndon;Am. J. Hum. Genet.,1951